Have your ever been upset when __________ to yourself after your mobile phone battery runs out in the middle of a call?
| A．being left talking | B．left talking |
| C．being left to talk | D．leaving talking |
______ you eat the correct foods ______ be able to kiip fit and stay healthy.
| A．Only if; you will | B．unless; you will |
| C．Only if; will you | D．unless; will you |
By the time he realizes he ______ into a trap, it’ll be too late for him to do anything about it.
| A．walks | B．walked | C．has walked | D．had walked |
------Is there anything wrong , Bob? You look sad.
------ Oh, nothing much. In fact, I ______ of my friends back home.
| A．have just thought | B．was just thinking |
| C．would just think | D．will just be thinking |
The country has already sent up three unmanned spacecraft, the most recent ______ at the end of last March..
| A．has been launched | B．having been launched |
| C．being launched | D．to be launched |
------Where did you get to know her?
------ It was on the farm ______ we worked.
| A．there | B．that | C．where | D．there |